Add ACCESS_NETWORK_STATE permission.

see https://developers.google.com/analytics/devguides/collection/android/v3/#manifest
Migrate to Google Analytics v3.02
Android platform migrated to google analytics 3.01
Make `sendEvent`'s value param actually optional.

`args.getLong(n)` will raise an exception if the `n`th argument is `null`.
Update to analytics v3.0.3
Merge branch 'svoptional'
Merge remote-tracking branch 'laguayo/master'.  Added support for optional parameter 4

Conflicts:
	src/android/GAPlugin.java